Div. B › Part 9 › 9.20 › 9.20.8 — Support of Loads

9.20.8.5 — Projection of Masonry Veneer beyond Supporting Members

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(1) Masonry veneer of solid masonry units resting on a bearing support shall not project more than one-third of the thickness of the veneer.

(2) Where the masonry veneer described in Sentence (1) is rough stone masonry,

(a) the projection shall be measured as the average projection of the units, and

(b) the thickness of the veneer shall be measured as the average thickness of the veneer.

OBC Definitions

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solid masonry

means a single-wythe or multi-wythe construction made of solid masonry units or semi-solid, cored or hollow masonry units, the cells of which may or may not be filled with mortar or grout. In multi-wythe masonry construction, the space between the wythes consists of a mortar-filled collar joint or grout-filled space and the wythes may or may not be constructed of the same masonry materials.

solid masonry unit

means a concrete block or brick unit, a clay brick unit or a calcium silicate brick unit, the net solid area of which is at least 75% of its gross area.

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